The elevation of zero gage height has been determined to be 3,240.63 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988, add 3,240.63 feet to gage height values.
Skip to main content
Official websites use .gov
A .gov website belongs to an official government organization in the
United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
